Finding the Fourth Proportional to 11,776,149.90, 16,252,807.95 and 6,619,936.14
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Solution
The fourth proportional to 11,776,149.90, 16,252,807.95 and 6,619,936.14 is: 9,136,479.38
Step by Step Solution
- Step 1: Write the proportion equation
11,776,149.90 : 16,252,807.95 = 6,619,936.14 : x - Step 2: Convert to fraction form
11,776,149.90/16,252,807.95 = 6,619,936.14/x - Step 3: Cross multiply
11,776,149.90x = 16,252,807.95 × 6,619,936.14 - Step 4: Simplify right side
11,776,149.90x = 107,592,550,724,684.30 - Step 5: Solve for x
x = 107,592,550,724,684.30/11,776,149.90 - Step 6: Final answer
x = 9,136,479.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.